Senior Data Engineer

From the original posting

Kraków Product & Technology We are looking for a Senior Data Engineer with a Platform focus to take a leading role in the architecture and evolution of our internal Data Platform. You'll operate as a domain expert — designing scalable open-source platform infrastructure, defining standards adopted across the team, and mentoring engineers around you. This is a senior individual contributor role with real technical influence: you'll produce Architecture Decision Records, drive reliability initiatives, and shape the platform roadmap. At the same time, you'll stay close to the data engineering…